3分钟掌握Quartz.net分布式定时任务的姿势

using System;
using System.Collections.Specialized;
using System.Data;
using System.Threading.Tasks;
using Microsoft.Data.Sqlite;
using Microsoft.Extensions.Logging;
using Quartz;
using Quartz.Impl;
using Quartz.Impl.AdoJobStore.Common;
using Quartz.Spi;

namespace EqidManager
{
    using IOCContainer = IServiceProvider;

    public class QuartzStartup
    {
        public IScheduler Scheduler { get; set; }

        private readonly ILogger _logger;
        private readonly IJobFactory iocJobfactory;
        public QuartzStartup(IOCContainer IocContainer, ILoggerFactory loggerFactory)
        {
            _logger = loggerFactory.CreateLogger<QuartzStartup>();
            iocJobfactory = new IOCJobFactory(IocContainer);

            DbProvider.RegisterDbMetadata("sqlite-custom", new DbMetadata()
            {
                AssemblyName = typeof(SqliteConnection).Assembly.GetName().Name,
                ConnectionType = typeof(SqliteConnection),
                CommandType = typeof(SqliteCommand),
                ParameterType = typeof(SqliteParameter),
                ParameterDbType = typeof(DbType),
                ParameterDbTypePropertyName = "DbType",
                ParameterNamePrefix = "@",
                ExceptionType = typeof(SqliteException),
                BindByName = true
            });

            var properties = new NameValueCollection
            {
                ["quartz.jobStore.type"] = "Quartz.Impl.AdoJobStore.JobStoreTX, Quartz",
                ["quartz.jobStore.useProperties"] = "true",
                ["quartz.jobStore.dataSource"] = "default",
                ["quartz.jobStore.tablePrefix"] = "QRTZ_",
                ["quartz.jobStore.driverDelegateType"] = "Quartz.Impl.AdoJobStore.SQLiteDelegate, Quartz",
                ["quartz.dataSource.default.provider"] = "sqlite-custom",
                ["quartz.dataSource.default.connectionString"] = "Data Source=EqidManager.db",
                ["quartz.jobStore.lockHandler.type"] = "Quartz.Impl.AdoJobStore.UpdateLockRowSemaphore, Quartz",
                ["quartz.serializer.type"] = "binary"
            };

            var schedulerFactory = new StdSchedulerFactory(properties);
            Scheduler = schedulerFactory.GetScheduler().Result;
            Scheduler.JobFactory = iocJobfactory;
        }

        public async Task<IScheduler> ScheduleJob()
        {
            var _eqidCounterResetJob = JobBuilder.Create<EqidCounterResetJob>()
              .WithIdentity("EqidCounterResetJob")
              .Build();

            var _eqidCounterResetJobTrigger = TriggerBuilder.Create()
                .WithIdentity("EqidCounterResetCron")
                .StartNow()
                //每天凌晨0s
                .WithCronSchedule("0 0 0 * * ?")      Seconds,Minutes,Hours，Day-of-Month，Month，Day-of-Week，Year（optional field）
                .Build();
         
           // 这里一定要先判断是否已经从SQlite中加载了Job和Trigger
            if (!await Scheduler.CheckExists(new JobKey("EqidCounterResetJob")) &&
                !await Scheduler.CheckExists(new TriggerKey("EqidCounterResetCron")))
            {
                await Scheduler.ScheduleJob(_eqidCounterResetJob, _eqidCounterResetJobTrigger);
            }
            
            await Scheduler.Start();
            return Scheduler;
        }

        public void EndScheduler()
        {
            if (Scheduler == null)
            {
                return;
            }

            if (Scheduler.Shutdown(waitForJobsToComplete: true).Wait(30000))
                Scheduler = null;
            else
            {
            }
            _logger.LogError("Schedule job upload as application stopped");
        }
    }
}

using CrystalQuartz.AspNetCore;
/*
 * app is IAppBuilder
 * scheduler is your IScheduler (local or remote)
 */
var quartz = app.ApplicationServices.GetRequiredService<QuartzStartup>();
var _schedule = await  quartz.ScheduleJob();
app.UseCrystalQuartz(() => scheduler);